[INFO] fetching crate transaction 0.2.1...
[INFO] testing transaction-0.2.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate transaction 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate transaction 0.2.1
[INFO] finished tweaking crates.io crate transaction 0.2.1
[INFO] tweaked toml for crates.io crate transaction 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate transaction 0.2.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mdo v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5466e2d2e14cdd4879a7d9dd41b4b877efc8ef1ceef20661c119c23a2514069
[INFO] running `Command { std: "docker" "start" "-a" "c5466e2d2e14cdd4879a7d9dd41b4b877efc8ef1ceef20661c119c23a2514069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5466e2d2e14cdd4879a7d9dd41b4b877efc8ef1ceef20661c119c23a2514069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5466e2d2e14cdd4879a7d9dd41b4b877efc8ef1ceef20661c119c23a2514069", kill_on_drop: false }`
[INFO] [stdout] c5466e2d2e14cdd4879a7d9dd41b4b877efc8ef1ceef20661c119c23a2514069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d42cac1bc468ff5ef65c32224b3f3fed9b3a598c83b7ce6f9d059b9884418a4
[INFO] running `Command { std: "docker" "start" "-a" "4d42cac1bc468ff5ef65c32224b3f3fed9b3a598c83b7ce6f9d059b9884418a4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling transaction v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/loop_fn.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout]    |                           ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout] 23 +     _phantom: PhantomData<Ctx>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for dyn Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] help: alternatively use a blanket implementation to implement `Transaction` for all types that also implement `Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stdout]     |
[INFO] [stdout] 423 - impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout] 423 + impl<Ctx, T, E, U: Fn(&mut Ctx) -> Result<T, E>> Transaction for U {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "4d42cac1bc468ff5ef65c32224b3f3fed9b3a598c83b7ce6f9d059b9884418a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d42cac1bc468ff5ef65c32224b3f3fed9b3a598c83b7ce6f9d059b9884418a4", kill_on_drop: false }`
[INFO] [stdout] 4d42cac1bc468ff5ef65c32224b3f3fed9b3a598c83b7ce6f9d059b9884418a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8a6adb2e7d6ea8105d844c64a404ead328c1525e0c22ef2cad84005394d1ef6
[INFO] running `Command { std: "docker" "start" "-a" "b8a6adb2e7d6ea8105d844c64a404ead328c1525e0c22ef2cad84005394d1ef6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/loop_fn.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout]    |                           ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout] 23 +     _phantom: PhantomData<Ctx>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for dyn Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] help: alternatively use a blanket implementation to implement `Transaction` for all types that also implement `Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stdout]     |
[INFO] [stdout] 423 - impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout] 423 + impl<Ctx, T, E, U: Fn(&mut Ctx) -> Result<T, E>> Transaction for U {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling transaction v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/loop_fn.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout]    |                           ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout] 23 +     _phantom: PhantomData<Ctx>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl<Ctx, T, E> Transaction for dyn Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] help: alternatively use a blanket implementation to implement `Transaction` for all types that also implement `Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stdout]     |
[INFO] [stdout] 423 - impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stdout] 423 + impl<Ctx, T, E, U: Fn(&mut Ctx) -> Result<T, E>> Transaction for U {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn boxed<'a>(self) -> Box<dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b8a6adb2e7d6ea8105d844c64a404ead328c1525e0c22ef2cad84005394d1ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a6adb2e7d6ea8105d844c64a404ead328c1525e0c22ef2cad84005394d1ef6", kill_on_drop: false }`
[INFO] [stdout] b8a6adb2e7d6ea8105d844c64a404ead328c1525e0c22ef2cad84005394d1ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a7b35678f541ff50774be1daa1a44f54dbc2768776b84437e348cc227bb904e
[INFO] running `Command { std: "docker" "start" "-a" "5a7b35678f541ff50774be1daa1a44f54dbc2768776b84437e348cc227bb904e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] 
[INFO] [stderr]   --> src/loop_fn.rs:23:27
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                           ^   ^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -     _phantom: PhantomData<(Ctx)>,
[INFO] [stderr] 23 +     _phantom: PhantomData<Ctx>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:423:33
[INFO] [stderr]     |
[INFO] [stderr] 423 | impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 423 | impl<Ctx, T, E> Transaction for dyn Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stderr]     |                                 +++
[INFO] [stderr] help: alternatively use a blanket implementation to implement `Transaction` for all types that also implement `Fn(&mut Ctx) -> Result<T, E>`
[INFO] [stderr]     |
[INFO] [stderr] 423 - impl<Ctx, T, E> Transaction for Fn(&mut Ctx) -> Result<T, E> {
[INFO] [stderr] 423 + impl<Ctx, T, E, U: Fn(&mut Ctx) -> Result<T, E>> Transaction for U {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:168:31
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn boxed<'a>(self) -> Box<Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn boxed<'a>(self) -> Box<dyn Transaction<Ctx = Self::Ctx, Item = Self::Item, Err = Self::Err> + 'a>
[INFO] [stderr]     |                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `transaction` (lib) generated 3 warnings (run `cargo fix --lib -p transaction` to apply 3 suggestions)
[INFO] [stderr] warning: `transaction` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/transaction-80464a75b40fa807)
[INFO] [stderr]    Doc-tests transaction
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/loop_fn.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |     _phantom: PhantomData<(Ctx)>,
[INFO] [stderr]    |                           ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -     _phantom: PhantomData<(Ctx)>,
[INFO] [stderr] 23 +     _phantom: PhantomData<Ctx>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a7b35678f541ff50774be1daa1a44f54dbc2768776b84437e348cc227bb904e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7b35678f541ff50774be1daa1a44f54dbc2768776b84437e348cc227bb904e", kill_on_drop: false }`
[INFO] [stdout] 5a7b35678f541ff50774be1daa1a44f54dbc2768776b84437e348cc227bb904e